Castaic, CA Weather - Forecast & Monthly Averages

TEMPERATURE	49
HUMIDITY	99
PRESSURE
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Castaic for July is 78.7 degrees
The lowest monthly average temperature in Castaic for January is 51.6 degrees
The most monthly precipitation in Castaic occurs in September with 28.1 inches
The air quality index in Castaic is 71% worse than the national average
The pollution index in Castaic is 5017% worse than the national average

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Castaic Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	45°F	62°F	52°F	19.1"
February	46°F	65°F	54°F	5.8"
March	47°F	69°F	56°F	3.2"
April	47°F	73°F	58°F	3.0"
May	53°F	79°F	64°F	0.6"
June	59°F	87°F	71°F	0.0"
July	65°F	96°F	79°F	0.0"
August	63°F	94°F	76°F	0.0"
September	61°F	90°F	74°F	28.1"
October	57°F	81°F	67°F	5.9"
November	53°F	74°F	61°F	1.3"
December	44°F	63°F	52°F	4.0"

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Castaic air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Castaic	California	National
Air quality index	72	55	42
Pollution index	139,490,000	10,473,190	2,726,193

Castaic air quality information

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Castaic air quality information

Pollutant	Total
Arsenic	0.200%
Benzene	0.950%
Carbon Tetrachloride	0.080%
Lead	1.320%
Mercury	0.440%

Average monthly Castaic temperature with heat index

Castaic monthly precipitation with daily maximum

Castaic monthly snow depth with daily maximum

Castaic monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Piru, CA	2,126	46	8.0%
Moorpark, CA	36,443	46	8.0%
Elizabeth Lake, CA	1,632	72	44.0%
Stevenson Ranch, CA	18,980	72	44.0%
San Fernando, CA	24,244	72	44.0%
Castaic, CA	18,479	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Brook Park, OH	18,486	50	= 100
Orange, TX	18,458	45	10.0%
Weirton, WV	18,458	46	8.0%
Terrell, TX	18,513	51	2.0%
Chowchilla, CA	18,443	50	= 100
Castaic, CA	18,479	72	44.0%

Source: The Castaic, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.